Held-For-Sale Classification - Schedule of Disposal Groups (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Assets:
Assets held for sale	$ 2,268	$ 0
Liabilities:
Liabilities held for sale	1,775	$ 0
Assets held-for-sale
Assets:
Bonds available for sale	181
Other invested assets	67
Restricted cash included in short-term investments	0
Short-term investments, including restricted cash of	12
Cash	3
Accrued investment income	3
Premiums and other receivables, net of allowance for credit losses and disputes	125
Reinsurance assets - other, net of allowance for credit losses and disputes	902
Deferred income taxes	47
Deferred policy acquisition costs	814
Other assets, net of allowance for credit losses(a)	114
Assets held for sale	2,268
Liabilities:
Liability for unpaid losses and loss adjustment expenses, including allowance for credit losses	19
Unearned premiums	61
Future policy benefits for life and accident and health insurance contracts	838
Other liabilities	857
Liabilities held for sale	1,775
AIG Life | Assets held-for-sale
Assets:
Bonds available for sale	167
Other invested assets	0
Short-term investments, including restricted cash of	11
Cash	3
Accrued investment income	3
Premiums and other receivables, net of allowance for credit losses and disputes	116
Reinsurance assets - other, net of allowance for credit losses and disputes	899
Deferred income taxes	47
Deferred policy acquisition costs	814
Other assets, net of allowance for credit losses(a)	83
Assets held for sale	2,143
Liabilities:
Liability for unpaid losses and loss adjustment expenses, including allowance for credit losses	0
Unearned premiums	54
Future policy benefits for life and accident and health insurance contracts	838
Other liabilities	854
Liabilities held for sale	1,746
Goodwill	23
Intangible assets	3
Other | Assets held-for-sale
Assets:
Bonds available for sale	14
Other invested assets	67
Short-term investments, including restricted cash of	1
Cash	0
Accrued investment income	0
Premiums and other receivables, net of allowance for credit losses and disputes	9
Reinsurance assets - other, net of allowance for credit losses and disputes	3
Deferred income taxes	0
Deferred policy acquisition costs	0
Other assets, net of allowance for credit losses(a)	31
Assets held for sale	125
Liabilities:
Liability for unpaid losses and loss adjustment expenses, including allowance for credit losses	19
Unearned premiums	7
Future policy benefits for life and accident and health insurance contracts	0
Other liabilities	3
Liabilities held for sale	$ 29